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Last Updated: May 25, 2022

RIOMET Drug Patent Profile


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Which patents cover Riomet, and what generic alternatives are available?

Riomet is a drug marketed by Ranbaxy and Sun Pharm and is included in two NDAs. There is one patent protecting this drug and one Paragraph IV challenge.

The generic ingredient in RIOMET is metformin hydrochloride. There are forty-nine drug master file entries for this compound. Seventy-nine suppliers are listed for this compound. Additional details are available on the metformin hydrochloride profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Riomet

A generic version of RIOMET was approved as metformin hydrochloride by ATLAS PHARMS LLC on January 24th, 2002.

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Drug patent expirations by year for RIOMET
Drug Prices for RIOMET

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Drug Sales Revenue Trends for RIOMET

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Recent Clinical Trials for RIOMET

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SponsorPhase
University of Colorado, DenverPhase 1
National Heart, Lung, and Blood Institute (NHLBI)Phase 1
St. Baldrick's FoundationPhase 2

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Paragraph IV (Patent) Challenges for RIOMET
Tradename Dosage Ingredient Strength NDA ANDAs Submitted Submissiondate
RIOMET Oral Solution metformin hydrochloride 500 mg/5 mL 021591 1 2018-02-02

US Patents and Regulatory Information for RIOMET

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Ranbaxy RIOMET metformin hydrochloride SOLUTION;ORAL 021591-001 Sep 11, 2003 AB RX Yes Yes See Plans and Pricing See Plans and Pricing See Plans and Pricing
Sun Pharm RIOMET ER metformin hydrochloride FOR SUSPENSION, EXTENDED RELEASE;ORAL 212595-001 Aug 29, 2019 DISCN Yes No See Plans and Pricing See Plans and Pricing Y See Plans and Pricing
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Supplementary Protection Certificates for RIOMET

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
1506211 C300677 Netherlands See Plans and Pricing PRODUCT NAME: COMBINATIE VAN DAPAGLIFLOZINE OF EEN FARMACEUTISCH AANVAARDBAAR ZOUT DAARVAN EN METFORMINE OF EEN FARMACEITISCH AANVAARDBAAR ZOUT DAARVAN, ZOALS BESCHERMD DOOR HET BASISOCTROOI EP 1506211B1; REGISTRATION NO/DATE: EU/1/13/900 20140121
1412357 77 5006-2008 Slovakia See Plans and Pricing PRODUCT NAME: SITAGLIPTIN A METFORMIN; NAT. REG.NO/DATE: EU/1/08/455/001-014, EU/1/08/456/001-014, EU/1/08/457/001-014 20080716; FIRST REG.:CH 58450 01-03 20080408
1412357 122008000046 Germany See Plans and Pricing PRODUCT NAME: SITAGLIPTIN, GEGEBENENFALLS IN FORM EINES PHARMAZEUTISCH ANNEHMBAREN SALZES, INSBESONDERE SITAGLIPTINPHOSPHAT- MONOHYDRAT, IN KOMBINATION MIT METFORMIN, GEGEBENENFALLS IN FORM EINES PHARMAZEUTISCH ANNEHMBAREN SALZES, INSBESONDERE DES HYDROCHLORIDS; NAT. REGISTRATION NO/DATE: EU/1/08/455/001-014 20080716 FIRST REGISTRATION: CH/LI 58450 01 58450 02 58450 03 20080408
1412357 132008901682802 Italy See Plans and Pricing PRODUCT NAME: SITAGLIPTIN/METFORMINA CLORIDRATO(JANUMET, VELMETIA, EFFICIB); AUTHORISATION NUMBER(S) AND DATE(S): JANUMET:EU/1/08/455/001... 014; VELMETIA:EU/1/08/456/001...014;EFFICIB: EU/1/08/457/001....014, 20080716;58450-01;58450-02; 58450-03, 20080408
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

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Serving leading biopharmaceutical companies globally:

Mallinckrodt
Express Scripts
McKinsey
Baxter
Moodys
Merck

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